Siemens Sinamics G120 CU240E Operating Instructions Manual page 156

Functions
5.11 Operation in fieldbus systems
If the response ID is 7 (request cannot be processed), one of the fault numbers listed in the
following table is stored in parameter value 2 (PWE2).
Table 5- 54
No.
0
1
2
3
4
5
6
7
11
12
17
101
102
104
106
200/201
204
156
Fault numbers for the response "request cannot be processed"
Description
Impermissible parameter number (PNU)
Parameter value cannot be changed
Min./max. not reached or exceeded
Incorrect sub-index
No field
Incorrect parameter/data type
Set not permitted (reset only)
The descriptive element cannot be changed
Not in "master controller" mode
No key word
Request cannot be processed due to the
operating status
Parameter number currently deactivated
Insufficient channel width
Impermissible parameter value
No request / task not supported
Modified min./max. not reached or exceeded
The current access authorization does not cover
parameter changes.
Comments
Parameter does not exist
The parameter is read only
–
–
One parameter was addressed with a
field request and sub-index > 0
Word and double word mixed up
–
Description can never be changed
Change request without "master
controller" mode (see P0927)
–
The current converter operating status
is not compatible with the request
received.
Depends on the operating status of
the converter
Communication channel too narrow
for response
The parameter only permits certain
values.
After request ID 5, 10, 15
The maximum or minimum value can
be limited further during operation.
–
Frequency inverter
Operating Instructions, 08.10. 2008, t.b.d.